Answer:
7
Step-by-step explanation:
To solve this use the expression PEMDAS
So first we do what is in parenthesis
Then . .
√41 = 6.4 rounded to the tenth
round to the nearest whole number = 7
I think 16 vials are needed to treat 250 people
to this problem you would have to divide 2.87 by 8.3 to find out the cost per ounces so the answer would be about 34 cents per ounce
answer_
34 cents